[go: up one dir, main page]

GB2369883B - Optical characteristics measuring apparatus method and recording medium - Google Patents

Optical characteristics measuring apparatus method and recording medium

Info

Publication number
GB2369883B
GB2369883B GB0114402A GB0114402A GB2369883B GB 2369883 B GB2369883 B GB 2369883B GB 0114402 A GB0114402 A GB 0114402A GB 0114402 A GB0114402 A GB 0114402A GB 2369883 B GB2369883 B GB 2369883B
Authority
GB
United Kingdom
Prior art keywords
recording medium
measuring apparatus
optical characteristics
apparatus method
characteristics measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0114402A
Other versions
GB0114402D0 (en
GB2369883A (en
Inventor
Eiji Kimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advantest Corp
Original Assignee
Advantest Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Advantest Corp filed Critical Advantest Corp
Publication of GB0114402D0 publication Critical patent/GB0114402D0/en
Publication of GB2369883A publication Critical patent/GB2369883A/en
Application granted granted Critical
Publication of GB2369883B publication Critical patent/GB2369883B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/412—Index profiling of optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
    • G01M11/333—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face using modulated input signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
    • G01M11/335—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face using two or more input wavelengths
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
    • G01M11/338—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face by measuring dispersion other than PMD, e.g. chromatic dispersion

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
GB0114402A 2000-06-15 2001-06-13 Optical characteristics measuring apparatus method and recording medium Expired - Fee Related GB2369883B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000179716A JP2001356075A (en) 2000-06-15 2000-06-15 Light characteristic measuring apparatus and method and recording medium

Publications (3)

Publication Number Publication Date
GB0114402D0 GB0114402D0 (en) 2001-08-08
GB2369883A GB2369883A (en) 2002-06-12
GB2369883B true GB2369883B (en) 2003-05-21

Family

ID=18680935

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0114402A Expired - Fee Related GB2369883B (en) 2000-06-15 2001-06-13 Optical characteristics measuring apparatus method and recording medium

Country Status (6)

Country Link
US (3) US6864967B2 (en)
JP (1) JP2001356075A (en)
CA (1) CA2350366C (en)
DE (1) DE10128896A1 (en)
FR (1) FR2813120B1 (en)
GB (1) GB2369883B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4507225B2 (en) * 2000-07-04 2010-07-21 株式会社アドバンテスト Optical characteristic measuring apparatus, method, and recording medium
JP4493808B2 (en) * 2000-07-10 2010-06-30 株式会社アドバンテスト Optical characteristic measuring apparatus, method, and recording medium
US7206516B2 (en) * 2002-04-30 2007-04-17 Pivotal Decisions Llc Apparatus and method for measuring the dispersion of a fiber span
US10404397B2 (en) * 2015-12-23 2019-09-03 Adva Optical Networking Se Wavelength division multiplexed telecommunication system with automatic compensation of chromatic dispersion
EP3647856B1 (en) * 2018-10-31 2022-11-09 Ricoh Company, Ltd. Image projection apparatus and mobile object

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551019A (en) * 1983-06-06 1985-11-05 Northern Telecom Limited Measuring chromatic dispersion of fibers
WO1999043054A1 (en) * 1998-02-23 1999-08-26 Anritsu Corporation Optical amplifier evaluating method and optical amplifier evaluating apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63210743A (en) 1987-02-27 1988-09-01 Anritsu Corp Wavelength dispersion measuring instrument
JP2589345B2 (en) 1988-06-24 1997-03-12 日本電信電話株式会社 Method and apparatus for evaluating characteristics of optical fiber
US5245404A (en) 1990-10-18 1993-09-14 Physical Optics Corportion Raman sensor
JP2994531B2 (en) * 1993-07-06 1999-12-27 ケイディディ株式会社 Optical wavelength dispersion measurement method and apparatus
US6025947A (en) 1996-05-02 2000-02-15 Fujitsu Limited Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied
US5969806A (en) 1997-06-30 1999-10-19 Tyco Submarine Systems Ltd. Chromatic dispersion measurement in a fiber optic cable
JP3913856B2 (en) * 1997-08-28 2007-05-09 富士通株式会社 Optical pulse generation device, dispersion measurement device, dispersion compensation device, and dispersion measurement method
JP2000304655A (en) * 1999-04-22 2000-11-02 Kdd Corp Transmission characteristics measurement system
DE19940280C2 (en) 1999-08-26 2001-11-15 Draeger Safety Ag & Co Kgaa Gas sensor with an open optical measuring section
US6504604B1 (en) * 1999-11-12 2003-01-07 Lucent Technologies, Inc. In situ polarization mode dispersion measurement
US6515792B1 (en) * 2000-04-12 2003-02-04 Massachusetts Institute Of Technology Fast optical wavelength shifter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551019A (en) * 1983-06-06 1985-11-05 Northern Telecom Limited Measuring chromatic dispersion of fibers
WO1999043054A1 (en) * 1998-02-23 1999-08-26 Anritsu Corporation Optical amplifier evaluating method and optical amplifier evaluating apparatus

Also Published As

Publication number Publication date
US20040179189A1 (en) 2004-09-16
GB0114402D0 (en) 2001-08-08
US20010052974A1 (en) 2001-12-20
CA2350366A1 (en) 2001-12-15
US6864967B2 (en) 2005-03-08
JP2001356075A (en) 2001-12-26
GB2369883A (en) 2002-06-12
FR2813120A1 (en) 2002-02-22
CA2350366C (en) 2005-05-03
FR2813120B1 (en) 2004-09-10
US20040179188A1 (en) 2004-09-16
DE10128896A1 (en) 2002-08-01
US7130031B2 (en) 2006-10-31
US7027137B2 (en) 2006-04-11

Similar Documents

Publication Publication Date Title
GB2382715B (en) Optical recording medium and apparatus and method for playing optical recording medium
AU2002221070A1 (en) Optical information recording apparatus and method
AU8620901A (en) Optical information recording medium and optical information recording method, optical information recording device
AU2002212743A1 (en) Magnetic recording medium and magnetic recording apparatus
SG91343A1 (en) Perpendicular magnetic recording medium and magnetic recording apparatus
SG102651A1 (en) Magnetic recording medium, and thermal stability measuring method and apparatus of magnetic recording medium
SG99888A1 (en) Recording medium, recording apparatus, and reading apparatus
GB0109661D0 (en) Information recording medium and information processing apparatus
HUP0302575A3 (en) Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus
GB2369674B (en) Optical characteristics measuring apparatus the method thereof and recording medium
IL151051A0 (en) Method and optical recording apparatus for determining the optimum write power
EP1398771A3 (en) Optical information recording medium and recording apparatus
AU2001258855A1 (en) Magneto optical recording medium, manufacturing method for the same, and method and apparatus for reading the same
TWI315517B (en) Optical recording apparatus, optical reproduction apparatus, recording medium recording method, and recording medium reproduction method
SG83816A1 (en) Recording apparatus and recording medium
SG95670A1 (en) Optical recording medium and its manufacturing method
GB2369431B (en) Optical characteristic measuring apparatus, the method thereof and recording medium
EG23007A (en) Methods optical recording apparatus using such methods and optical recording medium for use by the methods and the apparatus
GB2371859B8 (en) Apparatus and method for measuring optical characteristics and recording medium
AU2001227093A1 (en) Optical recording medium, optical reproduction apparatus, and optical reproduction method
AU2002221210A1 (en) Seismic recording method and apparatus
EP1453042A4 (en) Optical recording medium and optical recording method
GB2369883B (en) Optical characteristics measuring apparatus method and recording medium
GB2372101B8 (en) Apparatus and method for measuring optical characteristics and recording medium
DE60143875D1 (en) Recording medium reproducing method and apparatus

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070613